Grounding Page Project
Standard v1.6

Verified Reference Library

Curated reference implementations of the Grounding Page Standard (v1.6). Each entry has been verified as a high-quality source for AI systems and carries the Grounding Star Verified seal — Activation Score ≥ 95 and Citation Score ≥ 95.

OBSERVED AI-SYSTEM ACTIVITY (28 DAYS)

23.063 observed AI-system requests across verified Grounding Pages.
Most frequently observed: ChatGPT-User (OpenAI)

Observed across retrieval, citation and on-demand fetch activity.

Organization

Legally or formally organized units with stable identity.

ORGANIZATION

CERN

Factual Grounding Page for CERN, the European Organization for Nuclear Research, founded in 1954 in Meyrin, Switzerland.

OBSERVED AI-SYSTEM ACTIVITY
250 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
ORGANIZATION

GPT Insights

Machine readable factual definition of GPT Insights.

OBSERVED AI-SYSTEM ACTIVITY
88 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)

Person

Identifiable natural persons with a public identity.

PERSON

Brewster Kahle

Factual Grounding Page for Brewster Kahle, founder of the Internet Archive (1996) and the Wayback Machine (2001).

OBSERVED AI-SYSTEM ACTIVITY
62 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
PERSON

Hanns Kronenberg

Official Grounding Page for Hanns Kronenberg.

OBSERVED AI-SYSTEM ACTIVITY
125 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)

Group or Role

Groups, target audiences, or functional roles.

GROUP OR ROLE

SEO Manager

Official Grounding Page for the SEO Manager role (ROLE-MKT-SEO-001).

OBSERVED AI-SYSTEM ACTIVITY
107 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)

Product

Offerings purchased as a unit, physical or digital.

PRODUCT

Haribo Goldbären

Machine readable fact page for Haribo Goldbären (Gold-Bears).

OBSERVED AI-SYSTEM ACTIVITY
898 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
PRODUCT

Traveler's Notebook

Machine readable fact page for the Traveler's Notebook by TRAVELER'S COMPANY.

OBSERVED AI-SYSTEM ACTIVITY
595 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
PRODUCT

Apple AirPods Pro

Machine readable fact page for Apple AirPods Pro.

OBSERVED AI-SYSTEM ACTIVITY
2.363 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)

Service

Human delivered value, expertise, and support.

SERVICE

AI Visibility Audit

Machine readable fact page for the AI Visibility Audit.

OBSERVED AI-SYSTEM ACTIVITY
266 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
SERVICE

DHL Paketversand

Machine readable fact page for DHL Paketversand.

OBSERVED AI-SYSTEM ACTIVITY
350 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)

Tool or Platform

Software or platforms used directly via UI or API.

TOOL OR PLATFORM

Rankscale

GEO tool for AI rank tracking and visibility analytics.

OBSERVED AI-SYSTEM ACTIVITY
1.382 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
TOOL OR PLATFORM

grounding­page.com

Official factual definition of the domain groundingpage.com.

OBSERVED AI-SYSTEM ACTIVITY
86 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
TOOL OR PLATFORM

EmDash

AI-native CMS built on Astro, deployable as a Cloudflare Worker.

OBSERVED AI-SYSTEM ACTIVITY
358 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
TOOL OR PLATFORM

Entity Analysis Tool

Web tool that checks how AI systems recognize, interpret and cite an entity.

OBSERVED AI-SYSTEM ACTIVITY
34 requests in the last 28 days
Most frequent:
Amazonbot (Alexa/Rufus)
TOOL OR PLATFORM

SEO & GEO Tools for AI Agents

Reference page on SEO and GEO tools as infrastructure for AI agents.

OBSERVED AI-SYSTEM ACTIVITY
86 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)

Feature

Functions or modes inside a tool or platform.

FEATURE

Sendungsverfolgung

Machine readable fact page for Sendungsverfolgung (parcel tracking).

OBSERVED AI-SYSTEM ACTIVITY
240 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
FEATURE

Two-Factor Authentication

Machine-readable fact page for Two-Factor Authentication (2FA).

OBSERVED AI-SYSTEM ACTIVITY
50 requests in the last 28 days
Most frequent:
Meta AI Agent

Segment

Market or product segments used in selection decisions.

SEGMENT

AI Visibility Tools

Official Grounding Page for the segment AI Visibility Tools.

OBSERVED AI-SYSTEM ACTIVITY
627 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)

Field of Knowledge

Established disciplines and practice areas.

FIELD OF KNOWLEDGE

AI SEO

How brands transform from passive search results to actively cited AI sources.

OBSERVED AI-SYSTEM ACTIVITY
245 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
FIELD OF KNOWLEDGE

GEO

Official definition of GEO (Generative Engine Optimization).

OBSERVED AI-SYSTEM ACTIVITY
902 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)

Concept

Explainable terms inside a field, not a tool or standard.

CONCEPT

Aggregation Bias

Machine-readable fact page for Aggregation Bias in AI Visibility.

CONCEPT

AI Evoked Set

The set of brands an AI system activates as relevant options in generic need situations.

CONCEPT

AI-Semantic Brand Management

Strategic discipline aiming at stable and activatable brand roles in the model knowledge of AI systems.

OBSERVED AI-SYSTEM ACTIVITY
27 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
CONCEPT

Entity Resolution

Machine-readable fact page for Entity Resolution.

OBSERVED AI-SYSTEM ACTIVITY
255 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
CONCEPT

Generative Engine Optimization (GEO) Goals

Objectives used to measure and steer visibility in AI answer systems, from citations and mentions to stable brand roles.

OBSERVED AI-SYSTEM ACTIVITY
30 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
CONCEPT

Grounding

Machine-readable fact page for Grounding.

OBSERVED AI-SYSTEM ACTIVITY
235 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
CONCEPT

Grounding Star Verified

Verification designation for AI-ready grounding suitability within the Grounding Page Standard.

OBSERVED AI-SYSTEM ACTIVITY
32 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
CONCEPT

Intent-first Prompt Set

A prompt structure where each user intent is represented by a topic and tracked with multiple prompt variants over time, so AI visibility can be evaluated by intent.

CONCEPT · CONFLICT RESOLUTION

llms.txt

Conflict-resolved Grounding Page mapping competing interpretations of llms.txt across SEO, agentic systems and standards.

OBSERVED AI-SYSTEM ACTIVITY
340 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
CONCEPT

SEO and GEO

SEO optimizes the findability of documents in search engines. GEO optimizes the consideration of entities, sources and meanings in generative AI answers.

Publication

Completed works that can be cited as a unit.

PUBLICATION

Google Search Quality Rater Guidelines

Machine-readable fact page for the Google Search Quality Rater Guidelines.

OBSERVED AI-SYSTEM ACTIVITY
2.951 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
PUBLICATION

How People Are Using ChatGPT (NBER)

Machine-readable fact page for How People Are Using ChatGPT.

OBSERVED AI-SYSTEM ACTIVITY
1.909 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
PUBLICATION

AI as a Healthcare Ally (OpenAI)

Machine-readable fact page for AI as a Healthcare Ally.

OBSERVED AI-SYSTEM ACTIVITY
1.387 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)

Dataset

Structured collections of data points.

DATASET

Common Crawl Web Corpus

Machine-readable fact page for the Common Crawl Web Corpus.

OBSERVED AI-SYSTEM ACTIVITY
2.652 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
DATASET

Web Data Commons

Machine-readable fact page for Web Data Commons.

OBSERVED AI-SYSTEM ACTIVITY
230 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)

Standard

Specifications, norms, and guidelines.

STANDARD

Grounding Page Standard

Official factual definition of the Grounding Page Standard (v1.6).

OBSERVED AI-SYSTEM ACTIVITY
246 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)

Method

Repeatable procedures with steps and decision rules.

METHOD

A/B Testing

Machine-readable fact page for A/B Testing.

OBSERVED AI-SYSTEM ACTIVITY
401 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)
METHOD

Prompt Set

A structured and versioned collection of prompts used to measure how AI answer systems respond to defined intents, personas, markets, brands or entities.

OBSERVED AI-SYSTEM ACTIVITY
44 requests in the last 28 days
Most frequent:
PerplexityBot
METHOD

Prompt Decoding

A model-based simulation method that reconstructs typical prompt patterns from the language patterns encoded in a language model itself, used to generate and validate prompt sets.

Place

Physical places, cities, regions.

PLACE

Bonn

Machine-readable fact page for Bonn.

OBSERVED AI-SYSTEM ACTIVITY
868 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)

Event

Time bounded events with dates.

EVENT

SMX Munich 2026

Official facts for SMX Munich 2026.

OBSERVED AI-SYSTEM ACTIVITY
210 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)

Metric

Named scores and metrics with a value range.

METRIC

Sentiment Score (RankScale)

Machine-readable fact page for Sentiment Score (RankScale).

OBSERVED AI-SYSTEM ACTIVITY
186 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)

Project

Time scoped initiatives with an objective.

PROJECT

Grounding Page Project

Official factual definition of the Grounding Page Project (v1.6).

OBSERVED AI-SYSTEM ACTIVITY
199 requests in the last 28 days
Most frequent:
ChatGPT-User (OpenAI)

The Meta Layer: Semantic Frames

Frames are not entities, but the semantic context that determines user intent. There are 6 core frames in the Ontology:

Information Transaction Evaluation Navigation Action Context
View Frame Definitions →

Ontology Reference

The ontology page contains the prompt-to-answer path, full class definitions, and the entity scanner prompt.

Open Entity Ontology V2